Kaylynn is a distinctive girls' name in United States, ranking #570 in 2010 with 512 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 101.6%. In 2010, approximately 1 in every 3,471 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.